Song Khwae Weather in September
What's the weather like in Song Khwae (Nan) in September 2025?
The climate in Song Khwae during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Song Khwae and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 30°C (85°F), whilst at night 21°C (70°F) is normal.
| Daytime temperature | 29.6°C 85.2°F |
|---|---|
| Nightly temperature | 20.9°C 69.5°F |
| Average temperature | 25.2°C 77.4°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 204 mm 8 ins |
| Rainy days | 18 days |
| Sea temperature | 29.1°C 84.4°F |
| Humidity | 85% |
| Windspeed | 2.9kph 2 mph |
On average September is the 3rd wettest month of the year in Song Khwae with around 204mm 8 inches of rain making it a very wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
September temperatures in Song Khwae
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Song Khwae in September 2025.
Other monthly averages
Best places to visit in September
Song Khwae weather stats
| Hottest month: | April | 33.4°C 92.1°F |
|---|---|---|
| Driest month: | December | 11mm 0.4ins |
| Sunniest month: | February | 9.6hrs |
| Coldest month: | December | 25.4°C 77.7°F |
| Wettest month: | August | 307mm 12.1ins |
© Google